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For centuries, European nations had their own currencies, each representing their national identity and economic independence.
However, following the Second World War, European leaders began pursuing an ambitious idea that would require countries to surrender one of their most important symbols of sovereignty.
It was a decades-in-the-making plan that promised enormous economic benefits but also carried risks that nearly tore the continent apart.
Learn more about the history, creation, and challenges of the Euro on this episode of Everything Everywhere Daily.
The Euro is one of the most ambitious economic experiments in modern history. It represents an effort to do something rarely attempted on such a scale: create a single currency for numerous independent countries without a single government to control them all.
The origins of the euro trace back to the destruction of Europe during the Second World War.
Following the war, European leaders sought to establish institutions that would make another major European conflict less likely. Their solution was to tie European economies together so closely that war between participating countries would become economically devastating and politically unthinkable.
This process began with the European Coal and Steel Community in 1951, which brought together France, West Germany, Italy, Belgium, the Netherlands, and Luxembourg.
In 1957, these same countries signed the Treaty of Rome, establishing the European Economic Community.
The ultimate ambition was to create a common market in which goods, services, people, and capital could move freely across national borders.
However, this presented a problem. Although trade barriers could be eliminated, every participating country still maintained its own currency.
France used the franc. West Germany used the Deutsche Mark. Italy used the lira. The Netherlands used the guilder, while Belgium used the Belgian franc.
These currencies fluctuated against one another. That created uncertainty for businesses engaging in international trade.
A French company selling products to Germany might agree to a contract that seemed profitable, only to discover that changes in the franc-mark exchange rate had wiped out its profit.
Currency exchange also imposed costs on businesses, banks, and travelers.
During the 1960s, these problems seemed manageable because the international monetary system operated under the Bretton Woods arrangement.
Under Bretton Woods, major currencies maintained relatively fixed exchange rates against the American dollar, which was itself convertible into gold for foreign monetary authorities.
This arrangement provided a degree of currency stability that helped European economic integration.
In 1969, European leaders began formally discussing the possibility of establishing an economic and monetary union.
Luxembourg’s prime minister, Pierre Werner, chaired a committee to develop a plan.
The resulting Werner Report, published in 1970, proposed creating a European monetary union within approximately ten years.
Its proposals included permanently fixed exchange rates, the eventual elimination of separate national monetary policies, and closer coordination of economic decisions.
The plan was remarkably ambitious, considering that European economic integration was still in its early stages.
However, events soon overtook it.
In August 1971, American President Richard Nixon suspended the dollar’s convertibility into gold, effectively ending a central pillar of the Bretton Woods system.
By 1973, the world’s major currencies had largely moved toward floating exchange rates.
During the 1980s, European integration accelerated. The Single European Act, signed in 1986, set out a plan to complete Europe’s single market by the end of 1992.
European leaders increasingly argued that a single market would work better with a single currency. In 1988, European Commission President Jacques Delors chaired a committee to examine how to achieve monetary union.
The committee’s 1989 report proposed a three-stage process leading to a common currency and an independent European central bank. It was called the Delors Plan.
Political events gave the proposal additional momentum.
The Berlin Wall fell in November 1989, and Germany reunified in October 1990.
Some European leaders, particularly in France, believed closer European integration would help anchor a reunified Germany within European institutions.
Monetary union was already being planned before the Berlin Wall fell, but German reunification strengthened the political urgency surrounding it.
Germany initially resisted abandoning the Deutsche Mark, yet German leaders agreed to support a common currency, provided the new European monetary system emphasized price stability and central-bank independence.
The decisive political agreement came with the Maastricht Treaty, signed in the Netherlands on February 7, 1992. The treaty formally established the European Union and laid out the framework for Economic and Monetary Union.
It entered into force on November 1, 1993, but it did not immediately create the euro.
Instead, it established the legal institutions and economic requirements countries needed to adopt a future common currency.
The treaty established the Maastricht convergence criteria.
The Maastricht convergence criteria were economic requirements set out in the 1992 Maastricht Treaty that countries had to meet before adopting the euro.
The criteria required countries to maintain low inflation, no more than 1.5 percentage points above the average of the three EU countries with the most stable prices, and long-term interest rates no more than 2 percentage points above those same countries.
Government budget deficits were generally limited to 3% of GDP, while government debt was supposed to remain below 60% of GDP or be declining sufficiently toward that level.
These requirements aimed to prevent financially unstable countries from undermining the new monetary union, although several countries were admitted despite government debt exceeding the prescribed limit.
However, the treaty created a fundamental contradiction that would become increasingly important.
It established a common monetary policy without establishing a common fiscal policy.
Member countries would use the same currency and share a central bank, but each national government would continue to control most taxation and spending.
No European equivalent of the United States Treasury would exercise broad fiscal authority over the entire currency union.
The first stage of the Delors Plan began on July 1, 1990, with the liberalization of capital movement and greater monetary coordination.
The second stage began on January 1, 1994. During this phase, the European Monetary Institute was established in Frankfurt, Germany.
It was responsible for laying the institutional and technical foundations for the common currency. National central banks worked to harmonize their accounting practices, payment systems, and monetary operations.
In June 1998, the European Central Bank, or ECB, was formally established.
It replaced the European Monetary Institute and became responsible for the monetary policy of the future euro area. Frankfurt became its headquarters, reflecting both Germany’s financial importance and the monetary traditions associated with the Bundesbank.
On January 1, 1999, the euro officially became the currency of eleven European countries.
These were Germany, France, Italy, Spain, Portugal, Ireland, Belgium, the Netherlands, Luxembourg, Austria, and Finland.
However, the introduction was unusual in that for the first three years, the euro existed only as electronic money.
Banks could maintain euro-denominated accounts. Financial institutions could trade euro-denominated securities. Governments could issue bonds in euros, and businesses could enter into contracts using the new currency.
Meanwhile, ordinary citizens continued using their familiar national banknotes and coins, which were all locked in to a fixed exchange rate with the Euro.
The biggest day for the Euro was on January 1, 2002. On that day, twelve European countries began replacing their national banknotes and coins with physical euros.
It was an enormous logistical undertaking. Approximately 309 million people needed access to an entirely new form of money.
Banks had to distribute new banknotes, retailers had to prepare cash registers, and vending machines had to be modified.
Millions of businesses had to update their accounting systems and prices. Governments had to organize the withdrawal of enormous quantities of old currency.
The ECB coordinated the production of nearly 15 billion euro banknotes for the initial launch, while European mints produced approximately 52 billion coins.
By January 3, approximately 96% of cash machines in the euro area were dispensing euros.
Many countries temporarily permitted both national currency and euros to circulate. The parallel circulation periods were short and generally ended in February 2002.
By March 1, euros had become the sole legal-tender cash currency throughout the original twelve-country euro area. Greece had joined after 1999 but before 2002.
The euro’s physical design presented an unusual political challenge.
A national currency typically celebrates a country’s historical figures, rulers, buildings, or cultural achievements.
However, the euro had to represent multiple countries with different histories and identities.
The solution was to separate banknote and coin design.
Euro banknotes used standardized designs identical across participating countries. The original notes depicted fictional bridges, windows, and gateways inspired by different eras of European architecture.
The designs deliberately avoided celebrating any particular country’s monuments. None of the designs actually existed.
The town of Spijkenisse, Netherlands, decided to pull one over on the European Central Bank by building the fictional bridges found on Euro notes.
Euro coins took a different approach.
Each coin would have a common European side and a national side selected by the issuing country.
A German euro coin could feature the German eagle, while an Italian euro coin might feature Leonardo da Vinci’s Vitruvian Man.
Despite the national differences, all euro coins would be accepted throughout the euro area.
This provided a compromise between monetary unity and national identity.
The original euro banknotes came in seven denominations ranging from €5 to €500, while coins ranged from one cent to €2.
The EU discontinued issuing the €500 banknote in 2019, partly because of concerns about its usefulness in criminal financial transactions, although existing notes remain valid.
Since the Euro launched in 1999 with the eleven original members of the Eurozone, ten more countries have joined. Greece, Slovenia, Cyprus, Malta, Slovakia, Estonia, Latvia, Lithuania, Croatia, and Bulgaria.
Kosovo and Montenegro have unilaterally adopted the Euro without being formal members of the Eurozone or the European Union.
Four non-EU microstates have formal agreements to use the Euro and to issue their own coins: Andorra, Monaco, San Marino, and Vatican City.
Six EU members have not adopted the Euro: the Czech Republic, Denmark, Hungary, Poland, Romania, and Sweden.
The advantages of the Euro are pretty obvious. It makes cross-border transactions easier and more transparent within the EU.
However, some major problems have cropped up over time.
As I noted before, the Euro’s fundamental problem is that it creates a single monetary policy for countries with very different economies, without a unified government to manage those differences.
All eurozone countries share the same currency and interest rates, but they maintain separate budgets, tax systems, and economic policies. This means an interest rate appropriate for Germany might harm Greece or Italy.
Before adopting the euro, countries could respond to economic difficulties by lowering interest rates or devaluing their currencies to make exports more competitive. Those options are no longer available.
Instead, struggling countries may have to reduce wages, cut spending, or endure prolonged unemployment to restore competitiveness. Furthermore, unlike the United States, the eurozone lacks a large central budget that can automatically transfer substantial resources from prosperous regions to struggling ones.
Also, Eurozone countries have frequently violated the Maastricht deficit and debt limits since the euro was introduced in 1999. The deficit rule has been observed more consistently than the debt rule, but neither has been universally respected.
The clearest indication is that the eurozone as a whole has never had a government debt-to-GDP ratio below the Maastricht target of 60% since the currency’s introduction.
One of the Euro’s biggest tests was the Greek debt crisis, which began in 2009 and reached its most dangerous point in 2015. It exposed fundamental weaknesses in the euro and nearly triggered the eurozone’s breakup.
What began as a financial emergency in one relatively small European economy developed into a crisis that threatened the entire monetary union.
Many worry that a similar crisis in a larger economy, such as France, could lead to the Eurozone’s breakup.
More than a quarter century after its introduction, the euro has survived several challenges that threatened its existence. However, its ultimate legacy may depend on whether Europe can keep enjoying the benefits of a common currency while managing the economic differences between its member nations.
That has yet to be determined.